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Bonds and money market funds (Tables)
12 Months Ended
Nov. 30, 2023
Text Block [Abstract]  
Detailed Information About Bonds And Money Market Funds
 
 
    
2023
    
2022
 
 
 
Bonds
   $   6,062      $   8,990  
Guaranteed investment certificates
     228        224  
 
 
     $  6,290      $  9,214